. FlG. mi—Spermatozoa obtained from Bull No. 4. Taken 25 days after those shown in Fig. 113, during which period the bull had complete sexual rest. Spermatozoa were still non-motile. hut showed better staining qualities. neck granule. On Dec. 5th, 1919, this bull was ordered withdrawn from service. On Dec. 30th, after twenty-five days of complete sexual rest, another sample (Fig. 114) was obtained, which shown I a remarkable improvement in the staining qualities. The cell was not normal, though the head stained much bet- ter. The connecting piece appeared enlarged and was con- torted by the pr
. FlG. mi—Spermatozoa obtained from Bull No. 4. Taken 25 days after those shown in Fig. 113, during which period the bull had complete sexual rest. Spermatozoa were still non-motile. hut showed better staining qualities. neck granule. On Dec. 5th, 1919, this bull was ordered withdrawn from service. On Dec. 30th, after twenty-five days of complete sexual rest, another sample (Fig. 114) was obtained, which shown I a remarkable improvement in the staining qualities. The cell was not normal, though the head stained much bet- ter. The connecting piece appeared enlarged and was con- torted by the presence of a much enlarged spiral filament.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1921
